EP0657988A3 - Multiple pulse width modulation circuit. - Google Patents

Multiple pulse width modulation circuit. Download PDF

Info

Publication number
EP0657988A3
EP0657988A3 EP94119489A EP94119489A EP0657988A3 EP 0657988 A3 EP0657988 A3 EP 0657988A3 EP 94119489 A EP94119489 A EP 94119489A EP 94119489 A EP94119489 A EP 94119489A EP 0657988 A3 EP0657988 A3 EP 0657988A3
Authority
EP
European Patent Office
Prior art keywords
pulse width
width modulation
modulation circuit
multiple pulse
circuit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP94119489A
Other languages
German (de)
French (fr)
Other versions
EP0657988A2 (en
Inventor
Young W Lee
Sungwon Moh
Arno Muller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pitney Bowes Inc
Original Assignee
Pitney Bowes Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pitney Bowes Inc filed Critical Pitney Bowes Inc
Publication of EP0657988A2 publication Critical patent/EP0657988A2/en
Publication of EP0657988A3 publication Critical patent/EP0657988A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P5/00—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors
    • H02P5/46—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors for speed regulation of two or more dynamo-electric motors in relation to one another
    • H02P5/52—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors for speed regulation of two or more dynamo-electric motors in relation to one another additionally providing control of relative angular displacement
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
    • G07B17/00—Franking apparatus
    • G07B17/00185—Details internally of apparatus in a franking system, e.g. franking machine at customer or apparatus at post office
    • G07B17/00193—Constructional details of apparatus in a franking system
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
    • G07B17/00—Franking apparatus
    • G07B17/00185—Details internally of apparatus in a franking system, e.g. franking machine at customer or apparatus at post office
    • G07B17/00362—Calculation or computing within apparatus, e.g. calculation of postage value
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
    • H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
    • H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
    • H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/33507—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters
    • H02M3/33515—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters with digital control
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
    • G07B17/00—Franking apparatus
    • G07B17/00185—Details internally of apparatus in a franking system, e.g. franking machine at customer or apparatus at post office
    • G07B17/00193—Constructional details of apparatus in a franking system
    • G07B2017/00258—Electronic hardware aspects, e.g. type of circuits used
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
    • G07B17/00—Franking apparatus
    • G07B17/00185—Details internally of apparatus in a franking system, e.g. franking machine at customer or apparatus at post office
    • G07B17/00362—Calculation or computing within apparatus, e.g. calculation of postage value
    • G07B2017/00395—Memory organization
EP94119489A 1993-12-09 1994-12-09 Multiple pulse width modulation circuit. Withdrawn EP0657988A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16362793A 1993-12-09 1993-12-09
US163627 1993-12-09

Publications (2)

Publication Number Publication Date
EP0657988A2 EP0657988A2 (en) 1995-06-14
EP0657988A3 true EP0657988A3 (en) 1995-11-02

Family

ID=22590846

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94119489A Withdrawn EP0657988A3 (en) 1993-12-09 1994-12-09 Multiple pulse width modulation circuit.

Country Status (2)

Country Link
EP (1) EP0657988A3 (en)
CA (1) CA2137509A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29823179U1 (en) * 1998-12-29 2000-05-11 Schunk Motorensysteme Arrangement in a control circuit for controlling a motor of an auxiliary drive in a vehicle
JP3987277B2 (en) * 2000-11-14 2007-10-03 富士通株式会社 Pulse signal generator
US6400127B1 (en) * 2001-02-12 2002-06-04 Philips Electronics North America Corporation Dual mode pulse-width modulator for power control applications
KR100787231B1 (en) 2005-04-23 2007-12-21 삼성전자주식회사 Apparatus for generating high voltage, method thereof and ASIC chip

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2030736A (en) * 1978-10-03 1980-04-10 Palyn Associates Inc Computer controlled power supply
US4245295A (en) * 1977-09-23 1981-01-13 Siemens Aktiengesellschaft Apparatus for the controlled voltage supply of D.C. drives
EP0111317A2 (en) * 1982-12-08 1984-06-20 Pitney Bowes Inc. Methods and apparatus for modifying a firmware variable in an electronic postage meter
EP0436209A2 (en) * 1989-12-31 1991-07-10 Kabushiki Kaisha Sg Harmonization control system for plural shafts

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4245295A (en) * 1977-09-23 1981-01-13 Siemens Aktiengesellschaft Apparatus for the controlled voltage supply of D.C. drives
GB2030736A (en) * 1978-10-03 1980-04-10 Palyn Associates Inc Computer controlled power supply
EP0111317A2 (en) * 1982-12-08 1984-06-20 Pitney Bowes Inc. Methods and apparatus for modifying a firmware variable in an electronic postage meter
EP0436209A2 (en) * 1989-12-31 1991-07-10 Kabushiki Kaisha Sg Harmonization control system for plural shafts

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
P.R. HOLME ET AL: "DIGITAL CONTROL OF HIGH FREQUENCY PWM CONVERTERS", FIFTH EUROPEAN CONF. ON POWER ELECTRONICS AND APPLICATIONS, vol. 4, 13 September 1993 (1993-09-13) - 16 September 1993 (1993-09-16), BRIGHTON UK, pages 260 - 265, XP000427084 *

Also Published As

Publication number Publication date
EP0657988A2 (en) 1995-06-14
CA2137509A1 (en) 1995-06-10

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